Regarding the grounding issue
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When performing electrical design for chemical manufacturing enterprises, is it necessary for the grounding of workshops, warehouses, etc. to be connected?
It must be grounded, for any device with metal! Including working grounding and protective grounding! !
If necessary, connecting all the grounds in the entire factory together will definitely yield better results.
Study*Study*:) Hope the answer can be more detailed
All factory building grounding should be supported; in any case, anywhere there’s metal, grounding is necessary. In addition to preventing accidents related to equipment and personnel, it also serves to protect against lightning strikes
Equopotential bonding is being implemented now; all non-live metals must be connected together. You can take a look at relevant information on this topic.